Home / 93,021.10-139,564.05-40,468.30

Finding the Fourth Proportional to 93,021.10, 139,564.05 and 40,468.30

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Solution

The fourth proportional to 93,021.10, 139,564.05 and 40,468.30 is: 60,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,021.10 : 139,564.05 = 40,468.30 : x
  2. Step 2: Convert to fraction form
    93,021.10/139,564.05 = 40,468.30/x
  3. Step 3: Cross multiply
    93,021.10x = 139,564.05 × 40,468.30
  4. Step 4: Simplify right side
    93,021.10x = 5,647,919,844.62
  5. Step 5: Solve for x
    x = 5,647,919,844.62/93,021.10
  6. Step 6: Final answer
    x = 60,716.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.